Red Bull Equalizer Logo Display. Works off music or voice, vibration. Its missing t he power supply any DC 12V should do the job... Please study the photos to better understand the condition as they are part of the description. The item "Red Bull equalizer logo Display Loudspeaker 15 LED Back Light, NEW OPEN BOX" is in sale since Wednesday, October 30, 2019. This item is in the category "Collectibles\Advertising\Food & Beverage\Energy Drinks". The seller is "avijudaica" and is located in Deerfield Beach, Florida. This item can be shipped to United States, Canada, United Kingdom, ...